From 551fbc433a51eb34dd353236391f6d844866f67c Mon Sep 17 00:00:00 2001
From: jiangheng12 <jiangheng14@huawei.com>
Date: Sat, 18 Mar 2023 19:36:38 +0800
Subject: [PATCH] fix kernel scoket select path error

---
 src/lstack/api/lstack_wrap.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lstack/api/lstack_wrap.c b/src/lstack/api/lstack_wrap.c
index 9a021d7..e1b82fc 100644
--- a/src/lstack/api/lstack_wrap.c
+++ b/src/lstack/api/lstack_wrap.c
@@ -88,7 +88,9 @@ static enum KERNEL_LWIP_PATH select_path(int fd)
     }
 
     struct tcp_pcb *pcb = sock->conn->pcb.tcp;
-    if (pcb != NULL && pcb->state <= ESTABLISHED) {
+    /* after lwip connect, call send immediately, pcb->state is SYN_SENT, need return PATH_LWIP */
+    /* pcb->state default value is CLOSED when call socket, need return PATH_UNKNOW */
+    if (pcb != NULL && pcb->state <= ESTABLISHED && pcb->state >= LISTEN) {
         return PATH_LWIP;
     }
 
-- 
2.23.0